About trails in Lemhi County, Idaho

Lemhi County has 80 named trails on the map, covering 517 miles in total, an average of 6.5 miles per trail. That is the 14th largest mapped trail network among 37 counties in Idaho. 73 of them are tagged for hiking.

The longest single trail is Bighorn Crags Trail, at 29.9 miles. 35 trails run 5 miles or longer. Mapped points of interest in the county include 14 trailheads, 125 campsites, 9 waterfalls, 41 boat launches, and 18 rapids. The nearest towns to these trails are Salmon, Sula, and Leadore.

What the trails in Lemhi County are like

By length, 15 are under a mile, 30 run 1 to 5 miles, and 35 are 5 miles or longer. 2 are loops, ending where they start; the longest is Divide Trail, at 23.8 miles.

Of the 80 with measured elevation, Divide Trail climbs the most, about 17,514 ft, and 47 gain 1,000 ft or more.

Explore by activity

Hiking

73 trails

517Total miles

125Campsites

41Boat launches

9Waterfalls

14Trailheads

18Rapids

Bighorn Crags TrailHike29.9 mi hikingHike29.9 mi Divide TrailHike23.8 mi cdtHike23.5 mi Continental Divide TrailHike23.4 mi Hoodoo Meadows TrailHike18.3 mi Middle Fork River TrailHike18.0 mi Waterfall TrailHike16.5 mi Clear Creek TrailHike15.0 mi Horse Creek TrailHike14.4 mi Owl Creek TrailHike14.1 mi Garden Creek - Horse Heaven TrailHike14.0 mi Birch Creek TrailHike12.1 mi Loon Creek TrailHike10.8 mi Lewis and Clark Jeep Trail10.6 mi Twin Creek Ridge TrailHike10.6 mi Middle Fork TrailHike10.6 mi Woodtick Ridge TrailHike10.2 mi West Fork Camas Creek TrailHike9.9 mi Cabin Creek TrailHike8.4 mi Cow Creek TrailHike8.0 mi National Forest Development Road 005Hike7.6 mi Martin Mountain TrailHike7.4 mi Cache Creek TrailHike7.3 mi Woodtick Creek TrailHike6.8 mi East Owl Creek TrailHike6.7 mi Grouse Creek TrailHike6.5 mi Reynolds Creek TrailHike6.5 mi Warm Springs TrailHike6.2 mi Pretty Gulch TrailHike6.1 mi Puddin Mountain TrailHike5.9 mi Macarte Ridge TrailHike5.9 mi Mirror Lake TrailHike5.7 mi West Horse CutoffHike5.4 mi Pole Creek TrailHike5.3 mi Three Mile RidgeHike5.0 mi Twin Creek TrailHike4.9 mi South Fork Waterfall TrailHike4.8 mi Mahoney Creek TrailHike4.5 mi Pierce Creek TrailHike4.2 mi Williams Creek TrailHike4.2 mi Cramer Basin TrailHike4.1 mi Keystone GulchHike3.7 mi Elkhorn TrailHike3.4 mi Powderhouse Gulch TrailHike3.3 mi Meadow TrailHike3.3 mi Ship Island TrailHike3.2 mi White Horse Basin TrailHike3.2 mi Bear Basin TrailHike3.0 mi Wilson Creek TrailHike3.0 mi Nez Perce RidgeHike2.9 mi Anderson Mountain LoopHike2.9 mi Silver CreekHike2.4 mi Mill Creek TrailHike2.2 mi Carl Gulch Trail2.2 mi Rancherio TrailHike2.0 mi Nez Perce Lake Trail2.0 mi National Forest Development Road 163Hike1.9 mi Buckhorn TrailHike1.9 mi Goldbug Hot Springs TrailHike1.8 mi Corral Flat - Sage Brush TrailHike1.8 mi Thunder Mtn Hist TrailHike1.8 mi Harbor Lake TrailHike1.6 mi North Moccasin Spur 1Hike1.4 mi Woodtick CutoffHike1.1 mi Wapiti Meadows TrailHike1.0 mi Aspen LoopHike0.8 mi Middle Fork Peak Cut OffHike0.7 mi Sleeping Deer Lookout TrailHike0.7 mi Reynolds Lake SpurHike0.6 mi Meadow Lake Trail #057Hike0.6 mi Meadow Lake Interpretive Loop #342Hike0.5 mi Cathedral Lake TrailHike0.5 mi Interpretive TrailHike0.5 mi Lemhi RIver TrailHike0.4 mi Yellowjacket Trailhead Road0.4 mi Garden Creek - Horse Heaven Spur 1Hike0.3 mi National Forest Development Road 005 Trail0.2 mi National Forest Development Road 003 Trail0.2 mi National Forest Development Road 085 Trail0.2 mi

Trails by town in Lemhi County

More Idaho counties

Idaho County

1,969 trails · 6,039 mi

255 trails · 1,117 mi

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Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt September 24, 2026.